Record changer phonograph



Sept. 7, 1943.

1 B. GLASER RECORD CHANGER PHOTOGRAPH Filed June 11, 1941 5 Sheets-Sheet 1 lNVENTOR LEO B. GLASER BY Fig. 2

ATTORNEYS Sept. 7, 1943. L, B. 'GLASER RECORD CHANGER PHOTOGRAPH Filed June ll,'l9 4l 5 Sheets-Sheet 2 NVENTOR LEO B. GLASER Y I 7 92M,

ATTORNEYS Sept. 7, 1943. B. GLASER RECORD CHANGER PHOTOGRAPH Filed June 11, 1941 5 Sheets-Shet 3 R 8 E B G R% E m m w m 7 VB IT H N A 0 l H b N Nu m M I W M W Illlllllllllllllllllllll u mm 59 I" Sept. 7, 1943.

Fig. IO

L. B. GLASER RECORD CHANGER PHOTOGRAPH Filed June 11, 1941 5 Sheets-Sheet 4 INVENTOR LEO B. GLASER ATTORNEYS Sept. 7,1943. B. GLASER 2,328,641

RECORD CHANGER PHOTOGRAPH Filed June 11,1941 5' Sheets-Sheet 5 INVENTOR LEO B. GLASER fi af' 9W4;

ATTORNEYS Patented Sept. 7, i943 RECORD CHANGER. PHONOGRAl-"H Leo B. Glaser, Crawford-N. 3., assignor to General Instrument Corporation, Elizabeth, N. 1., a corporation of New Jersey Application June 11,1941, Serial No. 397,555 8 Claims. (01. 274-) .This invention relates to a record changer phonograph and more particularly to a record changer phonograph of the type in whicha plurality of records are stacked above the turntable and are individually fed therefrom to the turntable by releasing the bottom record of the stack.

The prime object of my present invention centers about the provision of an improved apparatus for supporting either a stack of records of a large diameter or a stack of records of a. small diameter and for feeding the records from either supported stack individually to the turntable.

In record changer phonographs of this character, mechanism is provided automatically ac tuatable when the playing of one record is completed, for carrying out the following sequence of operations: Lifting the reproducer arm from the played record, shifting the reproducer arm to clear the record area, feeding a new record from the record stack on to the played record, returning the reproducer arm to a starting position over the new record, and lowering the reproducer arm on to or adjacent the starting groove of the new record. Records commonly used in practice are of different sizes or diameters and those most commonly employed are ten inch and twelve inch diameter records. Mechanism for automatically effecting a record change is customarily designed and constructed so that the phonograph may be used for both ten inch and twelve inch records. This and other requirements have imposed certain limitations in the design of such mechanism, with the result that the apparatus employed is comparatively complicated and composed of numerous parts.

It is a prime object of the present invention to provide a new mechanism of this character in which the construction is considerably simplified and the parts reduced in number, so that not only is a low cost 'unit obtained and one which may be sold at a low figure, but one which is less liliely to get out of order and which may be readily repaired by the unskilled user.

To the accomplishment of the foregoing and such other objects as may hereinafter appear, my invention consists. in the phonograph apparatus and the elements thereof and their relation one to the other as hereinafter more particularly described in the specification and sought to be defined in the claims. The specification is accompanied by drawings in which:

Fig. 1 is a plan view of the record phonograph of the invention;

Fig. 2 is a front elevational view thereof, showing-a face view of the record supporting means;

changer howing the parts arranged fon supporting and feeding records of a small diameter;

Fig. 8 is a front elevational view of the mechanism of. Fig. 7; i

Fig. 9 is a view of a detail of this mechanism;

Fig. 10 is a schematic plan view of the mechanism, showing the relation between the record supporting and feeding apparatus and the means for determining the starting position of the reproducer or tone arm, the parts being arranged for large diameter records;

Fig. 11 is a vertical elevational view of the essential parts of the mechanism shown in Fig. 10;

' Fig. 12 is a schematic plan view of parts shown in Fig. 10, the mechanism being arranged for small diameter records;

Fig. 13 is a perspective view of parts of the record supporting and feeding apparatus; and

Fig. 14 is a view showing certain elements in assembled relation.

Referring now more in detail to the drawings and having reference first to Figs. 1 and 2, the record changer phonographof the present inven-' tion comprises a suitable base B carrying therey above the operated parts of the phonograph which comprise the usual turntable T, the reproducer arm (tone arm or pick-up af'm) R, and the record supporting and feeding apparatus generally designated as SF, a complemental part of which is the central record supporting spindle S. As shown in Figs. 1 and 2, the record changer phonograph is of the typein which a plurality ofv records 1,1 are stacked above the turntable T and are fed therefrom to the turntable by releas-- ing the bottom record of the stack, which, when released, drops or gravitates into a playing position as depicted by the record r on the turntable 'I'. As illustrated in Fig. i, the apparatus is adaptedto be employed with both small and large size records, such, for example, as ten inch and twelve inch diameter records, the record supporting member being shown'in full lines for the smaller and'in dot-and-dash lines for the larger size records.

I The central record supporting spindle S com-" prises a central'shank 20 fitted to the turntable T and provided at its top with an offset portion 2|. The offset portion 2| receives the center holes of the records 1', r of the supported stack, the bottom record of which stack rests upon the shoulder 22 formed in the plane of the juncture between the oiiset 2| and the central shank 20. The spindle S thus forms a means for supporting the record stack at its center.

The record supporting and feeding apparatus SF comprises a means for peripherally supporting the stack of records r, r and for feeding the records individually from this stack on to'the turntable by operation upon the bottom record of the stack. This apparatus is designed for operation with either a stack of large diameter or a stack of small diameter records. The essential parts of said apparatus comprise a rotatable supporting member 23, rotatable between a position for supporting records of a small diameter (shown in full lines in Fig. 1) and a position for supporting records of a large diameter (shown in dot-and-dash lines in Fig. 1), and a record feeding member 24 having a part for engaging the periphery of the large diameter record (the bottom record) when the said supporting member 23 is in a position for supporting large diameter records, and having a part for engaging the peripheryof a small diameter record when the said supporting member 23 is in a position for supporting small diameter records, In the preferred construction, there is also provided a stationary or fixed record supporting member 25 which cooperates with the rotatable record supporting member 23 in one of it positions. This latter is diagrammatically shown in Fig. 1 of the drawings, wherein it appears that a small diameter record is supported solely by the member 23 in one of its positions, and a large diameter record carried by the post 21 between the post and its cap 3|. The rotatable record supporting member 23 may be made in the form of a plate provided with b the two supporting buttons 33 and 34 at its front and with a mounting orifice 35 at its rear, received by the plug extension 29 of the post 21 (see Figs. 4 and 5). mounted on the post 21. The rotatable movement of the member 23 is limited to a quadrant angle, and to provide the limiting stops therefor the member 23 is formed with an integral finger 36 which moves in a quadrant cut-out 31 formed in the post plug extension 29 (see Figs. 3, l0 and 12). The record supporting member 23 is, therefore, movable between the positions schematically shown in Fig. 1 and shown more in detail in Figs. '7 and 10. The fixed record supporting member may comprise a plate provided at its outer end with the supporting button 38 and fixedly mounted at its inner end on the plug extension 29 by means of the two screws 33 and 4|! (see Figs. 3 and 4), the mounted part being slitted at 4| (Fig. 4). Between the mounted portions of the members 23 and 25, there is preferably provided an annular leaf spring 42. Surmountingthe mounted portion of the member 25 is a slitted holding ring 43 secured in position by-the said screws 39 and 40.

is supported jointly by a part of the member 23 and by the member 25. The feeding member 24 when operated moves the bottom record of the stack r, r in the direction indicated by the arrow 26 (Fig. l) and thereby n oves the same off the.

central supporting shoulder 22 and the peripheral supporting member 23 or members 23 and 25,

. releasing the same for movement on to theturntable T or on to a previously played record 1' on the turntable. The vertical clearance between the ofiset 2| and the shank 20 of the spindle S allows only the bottom record to be moved and released. Upon releasefof the bottom record, the remaining records of the stack descend the distance of a record thickness on to the central and peripheral supporting mechanism.

The mechanism of the operated parts of thea record supporting and feeding apparatus SF is best shown in Figs. 3 to 7 of the drawings, withwhich may be considered Figs. 10 and 12, This apparatus is supported on a post 21 which may be made 'of insulating material carried by the turntable base B. This post is hollowed in its interior except for an integral or plug top 28, a reduced portion 29 of which extends at the top for rotatabl'y receiving the record supporting member 23 and which plug top'23 is also slitted transversely as at '30 (see Figs. 4, 5 and 6) for the purpose presently tobe described. The post 21 is completed at its top with a cap 3| secured to a wall of the post by means of the securing screws 32. member 23, the fixed record supporting member 25, and the record feeding member 24 are all.

The rotatable record supporting The record feeding member 24 comprises a quadrant angle lever having an arm or finger part 44 for engaging the periphery of a small diameter record and having an arm or finger part 45 (arranged at right angles thereto) for engaging the periphery of a large diameter record. The said angle lever 24 is providedat its apex with an orifice 46 iorreceiving the upper end of an intermediate operated lever 41. It is to accommodate the movement of this lever 41 that the post plug 28, the ring 43 and the mounting portion of the member 25 are slitted..

This record feeding member 24 i slidably mounted on the record supporting member 23 by means of a stud 48 slidably received in a slot 43 formed in the member 23 (see particularly Figs. 3 and 4), the said stud 48 being formed in a button 50 which may be welded at 5| to the arm or I finger part 44 of thefeeding member. This slidable connection between the finger part 44 of the record feeding member 24 and the record supporting member 23 definesa slidable support for the feeding member 24 when the finger part 44 thereofis operated for record feeding purposes fulcrumsupport when the other finger part 45 is operated for reord feedin purposes and a means when the supporting member 23 is moved or roa position for engaging the'periphei'y of a small When the inter-- for moving or rotating the feeding member 24 record feeding member 24 is moved (by th stud 48 and slot 49) so that the finger 44 thereof is in diameter record (see Fig. 4). mediate operating lever "is actuated, the finger 44 of the feeding member is moved to release the bottom record of the stack. when the record supporting member 23* is moved from this podtion 1 to the position shown in Fig. 10 for-supporting records of a'large diameter, the record feeding member 24 is moved by the stud and slot connection to-the position shownjn Fig. 10 with the finger 45 in a position to engage the periphery of a largesize record. In this position, when the This member 23 is thus rotatablyis actuated, the member 24 is stud 48 as a fulcrum and its operating lever 41 moved about the finger 45 engages and moves the bottom record of the stack to release the same from its support.

- For stabilizing or holding a record stack, I also preferably provide a movable arm 52 preferably made of insulating material which is mounted for movement about both verticaland horizontal axes on the top of the post 21 and more particularly on A spring 55 acts on the arm 52. By means of 4 this constructionthe arm 52 by movement about its horizontal axis is resiliently maintained in engagement with the top record of a changing stack and by movement aboutjits vertical axis may be moved to clear the records as shown in the dotand-dash line in Fig. l of the drawings.

A complete record change is effected by the operation of a main cam M (Figs. '1 to 10). A cycle of rotation of this cam M effects the complete sequence of operations above-referred to. The operation of this cam is initiated by means %not shown) which is brought into action when the tone arm moves into the finishing groove of a record. Such initiating means is well known in the art and need not be here described. In a cycle of rotation of the main cam M, the reproducer or tone arm R is lifted off a played record by means of a lifting pin 51, is then shifted to clear the recordarea by means of a sweep lever 58, after which the mechanism SF is; operated by means of a lever 51 to feed a new record from the record stack, whereupon the reproducer arm R is retumedby the sweep lever 58 to a startin position over the new record and the reproducer arm is'then lowered by means of the lifting pin 51 on to the starting groove of the new record. The main cam M is preferably a unitary element rotated by operating the integral gear 59 thereof, the said cam having a cam part, 68 for actuating the lifting pin 51, a cam part 5| for actuating the Sarecord feeding lever 51, and a top face cam part 62 (see Fig. for operating the sweep lever 58 to effect the shifting and returning of the reproducer arm. The main cam M moves in the direction indicated by the arrow 83.

The mechanism for operating the record feeding means is best shown in Figs. '1 to 10 and 13. The intermediate lever 41 is fulcrumed at 54 on the post 21 and extends through the hollow of the post. The bottom end 55 of this lever is loosely engaged in the end of an arm 55 of a lever 81 fulcrumed at 58 in a bracket 59, the other 60 end of the otherarm 18 of the lever being provided with a cam follower 1| which rideson or follows the cam part 5|, being held thereagainst by means of a spring 12 anchored to the bracket 59. .The bracket, 59 is secured as at 13 to the base B- This bracket also serves to support the bottom of the cam shaft 14. By means of this construction, rotation of the cam M through its cam part 5| will cause the oscillation of the lever 51 and a corresponding oscillation of the intermediate lever 41 which in turn operates the record feeding member 24. "In Fig. '1 the cam follower 1| is shown in the cam engaging position and also in both extreme positions of its movement. 7

The shifting of the reproducer arm to clear the record area and the return of the reproducer arm to a starting position is accomplished by the eneasement of the cam part 52 with a pin 15 (see 5 Figs. 10 to 12) depending from the sweep lever 58, which latter is aflixed to the tone arm by means best shown in Figs. 10 to 12. The sweep lever 58 has secured thereto a clamp 15 having clamping logbetween which fingers is clamped a sleeve 19 hich extends upwardly through a short post 88 nd is affixed at its upper end to the tone arm ,ybrackeh 8!. The lifting pin, 51 extends loosely through this sleeve 19. When the tone arm is 15 in a record finishing groove and the operation of the main cam M is initiated, the sweep lever pin 15 is engaged by the various parts of the cam secto clear the record area, hold the same in its 20 outermost position during a record feeding operation, and return the tone arm to a, starting position, with the assistance of the spring 58'. The spring 58' retains the sweep lever in engagement with the stop lever and insures inward movement 5 of the sweep lever when the stop lever is displaced as hereinafter described.

The starting position of the tone arm is dependent upon the size or diameter of the records. Means is, therefore, provided to determine the starting position of the tone arm dependent upon the position of the parts of the record supporting and feeding members. This is accomplished by mechanism best shownin Figs. 8 to 12. u The starting position of the tone arm is immediately determined by means of a stop lever 83 movable about a fulcrum 84. The stop lever 83 has an arm 85 formed to provide the stepped shoulders 85 and 81. In the position of the stop lever shown in Fig. 10, the shoulder is arranged to engage the sweep lever stud 15 to stop the tone arm for the playing of large diameter records, and in the position of the stop lever shown in Fig. 12 the shoulder 81 is arranged to engage the sweep lever stud 15 to stop the tone arm in a position for playing small diameter records. Thesepositions of the stop lever 83 are determined by the corresponding positions of the record supporting and feeding means SF by the followlngmechanism: A rod 88 extending through a'suitable bore in the post 21 is provided at its upper end with an arm 89 which' is slidably engaged in a stud 90 fixed to the record supporting member 23 (Figs. 4, 8 and 11) rotation of the member 23 ,eifects the rotation of the rod 88. At its bottom the rod 88 is provided with 5.5 a finger element 9| which is adapted to engage the 3 end 92 of another arm 98 of said *stop lever 83, this arm of the stop lever being held in engagement with the finger 91 by means of the spring 84. Movement of the rod 88 in response to the movement of the member 23, therefore, effects the movement of the stop lever 83.betw een the position shown in Fig. 10 and that shown in Figs. 12

and 14. Y t

When the starting position of the tone arm is thus determined and when the tone arm is lowered on to a new record, the stop lever 83 must be disengaged from the sweep lever stud 15. This is accomplished by means of a pin 95 on the top face ofthe main cam, which is adapted to engage a downwardly bent part 95 of the stop lever 83in the continued rotation of the cam. .Thi engagement causes the stop lever to move and be held out of'th way of th sweep lever pin, thereby permitting the tone arm to move 76 Wertherecord.

fingers 11 locked bymeans of a bolt or screw 18,

tion 82 of the cam 52 to first shift the tone arm in the main be fully apparent from the above The structure and operation of the record changer phonograph of my present invention will detailed description thereof. For smaller diameter records, such as ten inch it records, the record supporting member 23 is moved to the full line position. shown in Fig. 1 (also shown in Figs. 3, 7 and 12). By virtue of the stud and slot connection 48, 49 with the record feeding member 24, this movement of the record supporting member 23 moves the record feeding member 24 into the position shown, for example, in Figs. 2, 3 and 4, whereby the finger part 44 of the record feeding member is in a position to engage the periphery of the bottom record of a record stack as best shown in Figs. 2 and 4. By virtue of the stud and rod connection 90, 88, this movement of the record supporting member 23 into the stated position predetermines the position of the stop lever 83, the assumed stop position of this lever being best shown in Fig-12.

The machine may then be charged with a stack of smaller diameter records by merely placin the records on the offset portion 2| of th spindle S and these records will thereupon be supported by the shoulder of the central spindle S and by g the supporting member 23 as clearly shown in Figs. 1 and 2.

In the record changing operation of the ma chine, a complete cycle of rotation of the cam M will produce the following sequence of operations: The cam part 60 will first lift the lift pin 51 thereby lifting the tone arm R from a played record; the cam part 62 (the portion 82 thereof) .will then, acting upon the sweep lever pin 15,

move the sweep lever 58 and thereby shift the tone arm R to clear the record area; the cam' part 6| will thereupon operate the lever 61 and in turn the intermediate lever 41 to move the record feeding. member 24, the finger part 44 of which engages the bottom record of the record stack to discharge the same on to the turntable T; the cam part 82 then again becomes active to return the sweep lever 58 and its attached tone arm 'R to a record starting position; the stop lever 83 in its above stated predetermined position enases the sweep lever pin I5 as shown in Fig. 12 of the drawings, thereby stopp n the tone arm for cooperation with a small diameter record; the cam part 60 again then comes into play to permit the lift pin 51 to descend and thereby to lower the tone arm R into record engagement'at the desired starting groove; the continued rotation of the cam M then causes the pin 95 thereof to engage the part 96 of the stop lever thereby moving the stop lever out of its stop engaging position; the cam rotation. then comes to a stop and the tone arm is free to move over the playing grooves of the record. When it is desired to play records of a larger diameter, the record support-.

ing member 23 is moved over a quadrant angle into the dot-.and-dash line position shown in Fig. l (or shown in full lines in Fig. '10). This movement of the record supporting 'me'mber 23 I by virtue of the connections described moves the I the machine with the parts thus positioned, the

same sequence of operations asabove described is first position and large diameter records in said carried out, except that the record stack is now peripherally supported by both the rotatable supporting member 23 and the fixed supporting member 25, the finger part 45, instead of the finger part H; is in a position to engage the periphery of the bottom record and is actuated to discharge ghe same on to the turntable, and the stop lever 3 is in a position to stop the sweep lever and the attached tone arm in a position abov the starting groove of a lar e size record.

These alternate operations are thus, carried out by substantially the same operating elements which are so related as to provide a considerably simplified construction having a reduced number of parts. The arrangement of the parts of this construction is such that all of the parts are readily accessible for repair, the parts being interrelated so that they may be readily understood and repaired by an unskilled user. By reason of the comparative simplicity of construction, the machine provides a low cost unit which may be manufactured and sold at a low figure.

It will be apparent that many changes may be made in the construction and in the method of making the same, without departing from the spirit of the invention defined by the following claims.

I claim:

l.' In a record changer phonograph of the type in which, a plurality of records either of one diameter or another are stacked above the turntable and are individually fed therefromto the turntable by releasing the. bottom record of the stack, a record supporting and feeding apparatus comprising a centrally located spindle having a part for supporting the bottom record of the supported stack at its center, a rotatable member for supporting said record at its periphery, said rotatable supporting member being rotatable between a positionfpr supporting records of a small diamet and ;a position for supporting records of a largediameter and having means for peripherallysupporting small diameter records in said first position and large diameter records in said second position, and a record' a position for supporting a large diameter record and having a part for engaging the periphery of a small diameter record whenv the said supporting member is in a position for supporting a small diameter record, and means for operating said record feeding member to shift the supported record from its supports and thereby release the same for movement to the turntable.

2. In a record changer phonograph of the type in which a plurality of records either of one diameter or another are stacked above the turntable and are individually fed therefrom to the turntable by releasing the bottom record of the stack, a record supporting and feeding apparatus comprising a centrally. located spindle having a part for supporting the bottom record of the supported stack at its center, a rotatable member for supporting said record at its periphery, said rotatable supporting member bein rotatable between a position for supporting rec r s of a small diameter'and a position for suppor ing records of a large diameter and having means for peripherally supporting small diameter records in said second position, and a record feeding member rotatable with but 'shiftably movable relative to said rotatable supporting member, said record feeding member having a part for engaging the periphery of the large diameter record when the said supporting member is in a position for supporting a large diameter record and having a part for engaging the periphery of a small diameter record when the said supporting member is in a position for supporting a small diameter record, and means for operating said record feeding member to shift the supported record from its supports and thereby release the same for movement to the turntable.

3. In a record changer phonograph, a record supporting and feeding apparatus comprising a supporting post, a record supporting member rotatable on said post between a position for, supporting records of a small diameter and a position for supporting records of a large diameter and having means for peripherally supporting small diameter records in said first position and large diameter records in said second position', a record feeding member having a finger part for peripherally engaging a small diameter record and a finger part for peripherally engaging a large diameter record, one of said finger parts being slidably connected to/said record supporting member, and an operating lever extending through said post and connected at its upper end to saidrecord feeding member, the said slidable connection between the said one finger part of the record feeding member and the record supporting member defining a slidable support when said one finger part is operated, a fulcrum support when the other finger part is operated and a means for rotating the feeding member when the supporting member is rotated on the post.

4. Ina record changer phonograph, a record supporting and feeding apparatus comprising a supporting post, a record supporting member rotatable on said post between a position for. supporting records of a small diameter and a position for supporting records of a large diameter and having means for peripherally supporting small diameter records in said first position and large diameter records in said second position, a fixed record supporting member on said post cooperating with said rotatable record supporting member in one of its positions, a record feeding member having a finger part for peripherally engaging a small diameter record and a finger part forperipherally engaging a large diameter record, one of said finger parts being slidably connected to said record supporting member, and an operating lever extending through said post and connected at its upper end to said record feeding member, the said slidable connection between the said one finger part of the record feeding member and the rec- 0rd supporting member defining a slidable sup-"" port when said one finger part is operated, a

fulcrum support when the other finger part is records insaid second position, a record feeding member having a finger part for peripherally engaging a small diameter record and a quadrant spaced finger part for peripherally engaging a large diameter record, one of said finger parts being'slidably connected to said record supporting member, and an operating lever extending through and fulcrumed in said post connected at its upper end to said record feeding member, the said'slidable connection between the said one finger part of the record feeding member and the record supporting member defining a slidable support when said one finger part is operated by said operating lever, a fulcrum support when the other finger part is operated by said operating lever and a means for rotating the feeding member when the supporting member is rotated on the post.

6. In a record changer phonograph having a base and a turntable and a tone arm thereon, a fixed post on said base, a record supporting means on said post for supporting records of different diameters at their peripheries including a rotatable record supporting member and having means for peripherally supporting small diameter records in one position and large diameter records in another position, a movable record feeding member on said post having a part for engaging the periphery of a large diameter record and a part for engaging the periphery of a small diameter record, a main cam below said base, means connected to a part of said cam and having an element extending through said post for operating the said record feeding member to move either of its parts depending upon the assumed position of said record feeding member, a sweep lever fixed to the tone arm below said base and cooperating with another part of said main cam, a stop lever for stopping the sweep lever in either one of two starting positions, means extending through said post and connected to said rotatable record supporting member for determining the position of said stop lever, and an element on said main-cam for moving the stop lever so that its stop parts disengage the sweep lever.

7. In a record changer phonograph having a base and a turntable and a tone arm thereon, a fixed post on said base, arecord supporting means on said post for. supporting records of different diameters at their peripheries including a fixed record supporting member and a rotatable record supporting member, a record feeding member on said post rotatable with said rotatable record supporting member having a part for engaging the periphery of a large diameter record and a part for engaging the periphery of a small diameter record; a main cam below said base, means connected to a part of said main cam and having an element extending through said post for operating the said record feeding member to move either ofits parts into record engaging action depending upon the assumed position of said record feeding member, a sweep lever fixed to the tone arm below said base and cooperating 1 lever.

8. In a record changerjphonograph of the type in which a plurality of records are stacked above the turntable and are led therefrom. to the turntable by releasing the bottom record of the stack, a record supporting apparatus comprising a centrally located spindle having a part for supporting the bottom record of the supported stack at its center, a rotatable member for supporting said record at its periphery, said rotatable supporting member being rotatable between a position for supporting records of a small diameter to a position for supporting records of a large diameter and having means-for peripherally supporting small-diameter records in saidfirst posi- 10 said stack.

- LEO B. GLASER.

- DISCLAIMER 2,328,641.Leo B. Glaser, Cranford, N. J. RECORD CHANQER PHONOGRAPH. Patent dated Sept. 7, 1943. Disclaimer filed Nov. 2 8, 1945, by the assignee, General Instrument Corporation. Hereby disclaims claims 1 and 2 of said patent.

[Oficfizl Gazette January 1,- 1946.] 

